absolute threshold

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Related to Stimulus Threshold: subthreshold stimulus

ab·so·lute thresh·old

the lowest limit of any perception. Compare: differential threshold.
Synonym(s): stimulus threshold

absolute threshold

Etymology: L, absolutus, set loose; AS, therscold
1 the lowest point at which a stimulus can be perceived.
2 pertaining to millivolts of electrical charge determined by ion fluctuations or movement across plasma membranes that result in nerve or muscle stimulation.

Absolute Threshold

The lowest detectable intensity of a given signal—e.g., sound or light.

absolute threshold

in psychophysics, the smallest magnitude of a sensory input that can be detected, typically defined as the magnitude that can be detected over a proportion of presentations (e.g. 75%). Also known as absolute limen. See also difference threshold.

ab·so·lute thresh·old

(ab-sō-lūt threshōld)
Lowest limit of any perception.